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<h1>PThreads.hh</h1><a href="PThreads_8hh.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/*</span>
<a name="l00002"></a>00002 <span class="comment"> * PThreads.hh</span>
<a name="l00003"></a>00003 <span class="comment"> *</span>
<a name="l00004"></a>00004 <span class="comment"> * Copyright 2002, Emiliano Martin emilianomc@terra.es All rights reserved.</span>
<a name="l00005"></a>00005 <span class="comment"> *</span>
<a name="l00006"></a>00006 <span class="comment"> * See the COPYING file for the terms of usage and distribution.</span>
<a name="l00007"></a>00007 <span class="comment"> */</span>
<a name="l00008"></a>00008
<a name="l00009"></a>00009 <span class="preprocessor">#ifndef _LOG4CPP_THREADING_PTHREADS_HH</span>
<a name="l00010"></a>00010 <span class="preprocessor"></span><span class="preprocessor">#define _LOG4CPP_THREADING_PTHREADS_HH</span>
<a name="l00011"></a>00011 <span class="preprocessor"></span>
<a name="l00012"></a>00012 <span class="preprocessor">#include <<a class="code" href="Portability_8hh.html">log4cpp/Portability.hh</a>></span>
<a name="l00013"></a>00013 <span class="preprocessor">#include <stdio.h></span>
<a name="l00014"></a>00014 <span class="preprocessor">#include <pthread.h></span>
<a name="l00015"></a>00015 <span class="preprocessor">#include <string></span>
<a name="l00016"></a>00016 <span class="preprocessor">#include <assert.h></span>
<a name="l00017"></a>00017
<a name="l00018"></a>00018
<a name="l00019"></a>00019 <span class="keyword">namespace </span>log4cpp {
<a name="l00020"></a>00020 <span class="keyword">namespace </span>threading {
<a name="l00021"></a>00021
<a name="l00025"></a>00025 std::string <a class="code" href="namespacelog4cpp_1_1threading.html#f2f7960b92e64a8beb0dcb08ee6bf378" title="returns the thread ID">getThreadId</a>();
<a name="l00026"></a>00026
<a name="l00029"></a><a class="code" href="classlog4cpp_1_1threading_1_1Mutex.html">00029</a> <span class="keyword">class </span><a class="code" href="classlog4cpp_1_1threading_1_1Mutex.html">Mutex</a> {
<a name="l00030"></a>00030 <span class="keyword">private</span>:
<a name="l00031"></a>00031 pthread_mutex_t mutex;
<a name="l00032"></a>00032
<a name="l00033"></a>00033 <span class="keyword">public</span>:
<a name="l00034"></a><a class="code" href="classlog4cpp_1_1threading_1_1Mutex.html#551ed73a5b9620ef4b95320158ac7a5b">00034</a> <span class="keyword">inline</span> <a class="code" href="classlog4cpp_1_1threading_1_1Mutex.html#551ed73a5b9620ef4b95320158ac7a5b">Mutex</a>() {
<a name="l00035"></a>00035 ::pthread_mutex_init(&mutex, NULL);
<a name="l00036"></a>00036 }
<a name="l00037"></a>00037
<a name="l00038"></a><a class="code" href="classlog4cpp_1_1threading_1_1Mutex.html#64805208eafba79ab6112bf94a03f119">00038</a> <span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code" href="classlog4cpp_1_1threading_1_1Mutex.html#64805208eafba79ab6112bf94a03f119">lock</a>() {
<a name="l00039"></a>00039 ::pthread_mutex_lock(&mutex);
<a name="l00040"></a>00040 }
<a name="l00041"></a>00041
<a name="l00042"></a><a class="code" href="classlog4cpp_1_1threading_1_1Mutex.html#7a460f445eff3697364a0fb0a94edd4d">00042</a> <span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code" href="classlog4cpp_1_1threading_1_1Mutex.html#7a460f445eff3697364a0fb0a94edd4d">unlock</a>() {
<a name="l00043"></a>00043 ::pthread_mutex_unlock(&mutex);
<a name="l00044"></a>00044 }
<a name="l00045"></a>00045
<a name="l00046"></a><a class="code" href="classlog4cpp_1_1threading_1_1Mutex.html#aa869652ddfdd364e34acaa7c2cd2d34">00046</a> <span class="keyword">inline</span> <a class="code" href="classlog4cpp_1_1threading_1_1Mutex.html#aa869652ddfdd364e34acaa7c2cd2d34">~Mutex</a>() {
<a name="l00047"></a>00047 ::pthread_mutex_destroy(&mutex);
<a name="l00048"></a>00048 }
<a name="l00049"></a>00049
<a name="l00050"></a>00050 <span class="keyword">private</span>:
<a name="l00051"></a>00051 <a class="code" href="classlog4cpp_1_1threading_1_1Mutex.html#551ed73a5b9620ef4b95320158ac7a5b">Mutex</a>(<span class="keyword">const</span> <a class="code" href="classlog4cpp_1_1threading_1_1Mutex.html">Mutex</a>& m);
<a name="l00052"></a>00052 <a class="code" href="classlog4cpp_1_1threading_1_1Mutex.html">Mutex</a>& operator=(<span class="keyword">const</span> <a class="code" href="classlog4cpp_1_1threading_1_1Mutex.html">Mutex</a> &m);
<a name="l00053"></a>00053 };
<a name="l00054"></a>00054
<a name="l00058"></a><a class="code" href="classlog4cpp_1_1threading_1_1ScopedLock.html">00058</a> <span class="keyword">class </span><a class="code" href="classlog4cpp_1_1threading_1_1ScopedLock.html" title="definition of ScopedLock;">ScopedLock</a> {
<a name="l00059"></a>00059 <span class="keyword">private</span>:
<a name="l00060"></a>00060 <a class="code" href="classlog4cpp_1_1threading_1_1Mutex.html">Mutex</a>& _mutex;
<a name="l00061"></a>00061
<a name="l00062"></a>00062 <span class="keyword">public</span>:
<a name="l00063"></a><a class="code" href="classlog4cpp_1_1threading_1_1ScopedLock.html#282f2648a191e54f8aadec68d46aa0b1">00063</a> <span class="keyword">inline</span> <a class="code" href="classlog4cpp_1_1threading_1_1ScopedLock.html#282f2648a191e54f8aadec68d46aa0b1">ScopedLock</a>(<a class="code" href="classlog4cpp_1_1threading_1_1Mutex.html">Mutex</a>& mutex) :
<a name="l00064"></a>00064 _mutex(mutex) {
<a name="l00065"></a>00065 _mutex.<a class="code" href="classlog4cpp_1_1threading_1_1Mutex.html#64805208eafba79ab6112bf94a03f119">lock</a>();
<a name="l00066"></a>00066 }
<a name="l00067"></a>00067
<a name="l00068"></a><a class="code" href="classlog4cpp_1_1threading_1_1ScopedLock.html#92363ac02ef7a4ba2b1f55ce69b6dc22">00068</a> <span class="keyword">inline</span> <a class="code" href="classlog4cpp_1_1threading_1_1ScopedLock.html#92363ac02ef7a4ba2b1f55ce69b6dc22">~ScopedLock</a>() {
<a name="l00069"></a>00069 _mutex.<a class="code" href="classlog4cpp_1_1threading_1_1Mutex.html#7a460f445eff3697364a0fb0a94edd4d">unlock</a>();
<a name="l00070"></a>00070 }
<a name="l00071"></a>00071 };
<a name="l00072"></a>00072
<a name="l00076"></a>00076 <span class="keyword">template</span><<span class="keyword">typename</span> T> <span class="keyword">class </span>ThreadLocalDataHolder {
<a name="l00077"></a>00077 <span class="keyword">private</span>:
<a name="l00078"></a>00078 pthread_key_t _key;
<a name="l00079"></a>00079
<a name="l00080"></a>00080 <span class="keyword">public</span>:
<a name="l00081"></a><a class="code" href="classlog4cpp_1_1threading_1_1ThreadLocalDataHolder.html#a720fa8b0bd3ffe97a628c20220f3c6c">00081</a> <span class="keyword">typedef</span> T <a class="code" href="classlog4cpp_1_1threading_1_1ThreadLocalDataHolder.html#a720fa8b0bd3ffe97a628c20220f3c6c">data_type</a>;
<a name="l00082"></a>00082
<a name="l00083"></a><a class="code" href="classlog4cpp_1_1threading_1_1ThreadLocalDataHolder.html#a9b75c83cd533007ea0c724180a42b6f">00083</a> <span class="keyword">inline</span> <a class="code" href="classlog4cpp_1_1threading_1_1ThreadLocalDataHolder.html#a9b75c83cd533007ea0c724180a42b6f">ThreadLocalDataHolder</a>() {
<a name="l00084"></a>00084 ::pthread_key_create(&_key, <a class="code" href="classlog4cpp_1_1threading_1_1ThreadLocalDataHolder.html#e110805646ff93764dbfce96536cdc70">freeHolder</a>);
<a name="l00085"></a>00085 }
<a name="l00086"></a>00086
<a name="l00087"></a><a class="code" href="classlog4cpp_1_1threading_1_1ThreadLocalDataHolder.html#e110805646ff93764dbfce96536cdc70">00087</a> <span class="keyword">inline</span> <span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code" href="classlog4cpp_1_1threading_1_1ThreadLocalDataHolder.html#e110805646ff93764dbfce96536cdc70">freeHolder</a>(<span class="keywordtype">void</span> *p) {
<a name="l00088"></a>00088 assert(p != NULL);
<a name="l00089"></a>00089 <span class="keyword">delete</span> <span class="keyword">reinterpret_cast<</span>T *<span class="keyword">></span>(p);
<a name="l00090"></a>00090 }
<a name="l00091"></a>00091
<a name="l00092"></a><a class="code" href="classlog4cpp_1_1threading_1_1ThreadLocalDataHolder.html#70be3ec2201a72ba1d1d5eee3764fde9">00092</a> <span class="keyword">inline</span> <a class="code" href="classlog4cpp_1_1threading_1_1ThreadLocalDataHolder.html#70be3ec2201a72ba1d1d5eee3764fde9">~ThreadLocalDataHolder</a>() {
<a name="l00093"></a>00093 T *data = <span class="keyword">get</span>();
<a name="l00094"></a>00094 <span class="keywordflow">if</span> (data != NULL) {
<a name="l00095"></a>00095 <span class="keyword">delete</span> data;
<a name="l00096"></a>00096 }
<a name="l00097"></a>00097 ::pthread_key_delete(_key);
<a name="l00098"></a>00098 }
<a name="l00099"></a>00099
<a name="l00100"></a><a class="code" href="classlog4cpp_1_1threading_1_1ThreadLocalDataHolder.html#147cbba1fab8ef3eec6d98ef122749b1">00100</a> <span class="keyword">inline</span> T* <span class="keyword">get</span>() <span class="keyword">const</span> {
<a name="l00101"></a>00101 <span class="keywordflow">return</span> reinterpret_cast<T *>(::pthread_getspecific(_key));
<a name="l00102"></a>00102 }
<a name="l00103"></a>00103
<a name="l00104"></a><a class="code" href="classlog4cpp_1_1threading_1_1ThreadLocalDataHolder.html#f579e5a7fdcba839bf8d95f2ede8a43e">00104</a> <span class="keyword">inline</span> T* <a class="code" href="classlog4cpp_1_1threading_1_1ThreadLocalDataHolder.html#f579e5a7fdcba839bf8d95f2ede8a43e">operator-></a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> <span class="keyword">get</span>(); }
<a name="l00105"></a><a class="code" href="classlog4cpp_1_1threading_1_1ThreadLocalDataHolder.html#e97fc1f8d6f9c8b11d94c5e213249dbd">00105</a> <span class="keyword">inline</span> T& <a class="code" href="classlog4cpp_1_1threading_1_1ThreadLocalDataHolder.html#e97fc1f8d6f9c8b11d94c5e213249dbd">operator*</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> *<span class="keyword">get</span>(); }
<a name="l00106"></a>00106
<a name="l00107"></a><a class="code" href="classlog4cpp_1_1threading_1_1ThreadLocalDataHolder.html#299e9e1f9e02ef2668e64f81b1d29204">00107</a> <span class="keyword">inline</span> T* <a class="code" href="classlog4cpp_1_1threading_1_1ThreadLocalDataHolder.html#299e9e1f9e02ef2668e64f81b1d29204">release</a>() {
<a name="l00108"></a>00108 T* result = <span class="keyword">get</span>();
<a name="l00109"></a>00109 ::pthread_setspecific(_key, NULL);
<a name="l00110"></a>00110
<a name="l00111"></a>00111 <span class="keywordflow">return</span> result;
<a name="l00112"></a>00112 }
<a name="l00113"></a>00113
<a name="l00114"></a><a class="code" href="classlog4cpp_1_1threading_1_1ThreadLocalDataHolder.html#e45b1bbee63188f40ed0a1fd262903dc">00114</a> <span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code" href="classlog4cpp_1_1threading_1_1ThreadLocalDataHolder.html#e45b1bbee63188f40ed0a1fd262903dc">reset</a>(T* p = NULL) {
<a name="l00115"></a>00115 T *data = <span class="keyword">get</span>();
<a name="l00116"></a>00116 <span class="keywordflow">if</span> (data != NULL) {
<a name="l00117"></a>00117 <span class="keyword">delete</span> data;
<a name="l00118"></a>00118 }
<a name="l00119"></a>00119 ::pthread_setspecific(_key, p);
<a name="l00120"></a>00120 }
<a name="l00121"></a>00121 };
<a name="l00122"></a>00122
<a name="l00123"></a>00123 }
<a name="l00124"></a>00124 }
<a name="l00125"></a>00125 <span class="preprocessor">#endif</span>
</pre></div><hr size="1"><address style="text-align: right;"><small>Generated on Mon Sep 3 11:54:29 2007 for log4cpp by
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